Image acquisition lens

Abstract

The utility model relates to the technical field of image acquisition, and discloses an image acquisition lens, which comprises an image acquisition structure, and an acquisition lens structure and an adjusting knob structure are arranged in the image acquisition structure. The image acquisition structure comprises a fixed cross rod, a fixed seat is arranged at the top of the fixed cross rod, a supporting rotating shaft is arranged at the bottom of the fixed seat, a protective box body is arranged at the top of the supporting rotating shaft, an acquisition lens device is arranged in the protective box body, and a connecting block is arranged at the joint of the supporting rotating shaft and the acquisition lens device. According to the image acquisition lens, the dynamic range of the lens can be expanded through the use of the adjusting knob, so that the brightness range of an object in a scene can be better covered, the problem of overexposure or underexposure in a high-contrast scene can be effectively solved, and meanwhile, the use of the infrared sensor can improve the image acquisition efficiency. The infrared sensor can be added to improve the image quality under the low-light condition, so that the device can capture more details and information in the low-light environment.

Description

Technical Field

[0001] The utility model relates to the technical field of image acquisition, in particular to an image acquisition lens. Background Art

[0002] An image acquisition lens is an image acquisition lens used for computer vision. The image acquisition lens of computer vision is a very important component in the computer vision system. It can focus the target image onto the image sensor for subsequent image processing and recognition.

[0003] At present, the existing image acquisition lens has the problem of inaccurate exposure control. If the exposure control is inaccurate, it may cause the image to be overexposed or underexposed. For example, in a strong light environment, if the exposure time is too long, it may cause the image to be overexposed, and in a low light environment, if the exposure time is too short, it may cause the image to be underexposed; in addition, the existing image acquisition lens has the problem of image quality degradation under low light conditions. Under low light conditions, the lens may not be able to capture enough image information, resulting in reduced image quality. Therefore, the utility model provides an image acquisition lens. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an image acquisition lens having the advantages of achieving a wide dynamic range and improving image quality under low-light conditions, thereby solving the problems of inaccurate exposure control and reduced image quality under low-light conditions.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of realizing a wide dynamic range and improving image quality under low light conditions, the utility model provides the following technical solutions:

[0008] An image acquisition lens comprises an image acquisition structure, wherein an acquisition lens structure and an adjustment button structure are arranged inside the image acquisition structure;

[0009] The image acquisition structure includes a fixed crossbar, a fixed seat is provided at the top of the fixed crossbar, a supporting shaft is provided at the bottom of the fixed seat, a protective box body is provided at the top of the supporting shaft, a collection lens device is provided inside the protective box body, a connecting block is provided at the connection between the supporting shaft and the collection lens device, adjustment buttons are provided on the left and right sides of the protective box body, and a servo motor is provided on the top of the protective box body;

[0010] The collection lens structure comprises a collection lens located in the middle of the collection lens device, and infrared sensors are arranged on the left and right sides of the collection lens.

[0011] As a preferred technical solution of the utility model, the adjusting button structure includes an outer sleeve located on the side of the adjusting button close to the protective box body, an adjusting button shaft is provided inside the outer sleeve, a restoring spring is provided outside the adjusting button shaft, and a friction plate is provided on the side of the restoring spring close to the protective box body.

[0012] As an optimal technical solution of the utility model, the support shaft is fixedly connected to the fixed seat, and the support shaft is rotatably connected to the connecting block, the connecting block is fixedly connected to the inside of the protective box body, and bolts are provided at the connection between the servo motor and the protective box body, and the servo motor is threadedly connected to the protective box body through the bolts.

[0013] As a preferred technical solution of the utility model, the collection lens and the infrared sensor are fixedly connected inside the collection lens device, the infrared sensor is fixedly connected to the left and right sides of the collection lens, the collection lens device is provided with an image sensor, and the collection lens is provided with a wide dynamic range function.

[0014] As a preferred technical solution of the utility model, the outer sleeve is rotatably connected to the adjusting button, the outer sleeve is fixedly connected to the outside of the protective box body, the adjusting button shaft is fixedly connected to the adjusting button, and the adjusting button shaft is rotatably connected to the inside of the protective box body.

[0015] As a preferred technical solution of the utility model, the recovery spring is located at the connection between the adjusting button shaft and the adjusting button, and the recovery spring is located between the friction plate and the adjusting button. The recovery spring is fixedly connected to the inside of the outer sleeve, and the adjusting button shaft passes through the inside of the friction plate.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides an image acquisition lens, which has the following beneficial effects:

[0018] The image acquisition lens can expand the dynamic range of the lens by using the adjustment knob, so that the brightness range of objects in the scene can be better covered, which can effectively solve the problem of overexposure or underexposure in high-contrast scenes. At the same time, the use of infrared sensors can increase the image quality under low-light conditions, so that the device can capture more details and information in low-light environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a side schematic diagram of the structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjusting button of the utility model.

[0022] In the figure: 1. Fixed cross bar; 2. Fixed seat; 3. Support shaft; 4. Protective box body; 5. Collection lens device; 6. Connecting block; 7. Adjustment button; 8. Servo motor; 9. Collection lens; 10. Infrared sensor; 11. Outer sleeve; 12. Adjustment button shaft; 13. Restoration spring; 14. Friction plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-3 , an image acquisition lens, comprising an image acquisition structure, wherein an acquisition lens structure and an adjustment button structure are arranged inside the image acquisition structure;

[0027] The image acquisition structure includes a fixed crossbar 1, a fixed seat 2 is provided on the top of the fixed crossbar 1, a supporting shaft 3 is provided at the bottom of the fixed seat 2, a protective box body 4 is provided on the top of the supporting shaft 3, a collection lens device 5 is provided inside the protective box body 4, a connecting block 6 is provided at the connection between the supporting shaft 3 and the collection lens device 5, adjustment buttons 7 are provided on the left and right sides of the protective box body 4, and a servo motor 8 is provided on the top of the protective box body 4;

[0028] The collection lens structure comprises a collection lens 9 located in the middle of the collection lens device 5 , and infrared sensors 10 are arranged on the left and right sides of the collection lens 9 .

[0029] In this embodiment, the adjustment button structure includes an outer sleeve 11 located on the side of the adjustment button 7 close to the protective box body 4, an adjustment button shaft 12 is provided inside the outer sleeve 11, a restoring spring 13 is provided on the outside of the adjustment button shaft 12, and a friction plate 14 is provided on the side of the restoring spring 13 close to the protective box body 4, wherein the adjustment button 7 is used to expand the dynamic range of the lens so that the brightness range of objects in the scene can be better covered; the outer sleeve 11 is used to protect the internal adjustment button shaft 12, the restoring spring 13 and the friction plate 14; the friction plate 14 is used to keep the lens stable in the adjusted position.

[0030] It should be noted that the restoring spring 13 provides a restoring force for the adjusting knob 7. When the user adjusts the adjusting knob 7, the restoring spring 13 provides a corresponding restoring force according to the rotation or push-pull direction of the adjusting knob 7, thereby helping the user to more accurately adjust the optical performance of the lens.

[0031] In this embodiment, the outer sleeve 11 is rotatably connected to the adjusting button 7, the outer sleeve 11 is fixedly connected to the outside of the protective box body 4, the adjusting button shaft 12 is fixedly connected to the adjusting button 7, and the adjusting button shaft 12 is rotatably connected to the inside of the protective box body 4; the restoring spring 13 is located at the connection between the adjusting button shaft 12 and the adjusting button 7, and the restoring spring 13 is located between the friction plate 14 and the adjusting button 7, the restoring spring 13 is fixedly connected to the inside of the outer sleeve 11, and the adjusting button shaft 12 passes through the inside of the friction plate 14.

[0032] In this embodiment, the support shaft 3 is fixedly connected to the fixing seat 2, and the support shaft 3 is rotatably connected to the connecting block 6, the connecting block 6 is fixedly connected to the inside of the protective box body 4, and a bolt is provided at the connection between the servo motor 8 and the protective box body 4, and the servo motor 8 is threadedly connected to the protective box body 4 through the bolts, wherein the fixing seat 2 fixes the entire device in a stable position, no matter what kind of external interference or pressure the device is subjected to, the fixing seat 2 can remain stable, ensuring that the collected image or data will not be affected; the protective box body 4 is used to protect the internal collection lens device 5.

[0033] In this embodiment, the collection lens 9 and the infrared sensor 10 are fixedly connected inside the collection lens device 5, the infrared sensor 10 is fixedly connected to the left and right sides of the collection lens 9, the collection lens device 5 is provided with an image sensor, and the collection lens 9 is provided with a wide dynamic range function, wherein the collection lens 9 is used to focus light and clearly present the target image on the image sensor for subsequent image processing and recognition; the infrared sensor 10 is used to increase the infrared sensor to improve the image quality under low light conditions, the infrared sensor 10 has a high sensitivity to infrared rays, and can capture more details and information in a low light environment.

[0034] It should be noted that the servo motor 8 can control the angle and is mainly used for anti-shake. The servo motor 8 can automatically adjust according to changes in light vibration and gravity movement, thereby ensuring the stability and clarity of the shooting.

[0035] The working principle of the above embodiment is:

[0036] See also Figure 1-3 When the utility model is used, first, the device is installed at the position where the image needs to be collected to ensure the stability and correctness of the device, and then the lens is adjusted. The lens is rotated by the support shaft 3, and then the adjusting knob 7 is adjusted to adjust the lens angle. Inside the adjusting knob 7, the friction plate 14 and the return spring 13 interact with each other to achieve precise adjustment of the lens position. After the adjusting knob 7 is adjusted, the image can be collected and saved and analyzed.

[0037] Beneficial effects of the above embodiments:

[0038] The image acquisition lens can expand the dynamic range of the lens by using the adjustment button 7, so that the brightness range of objects in the scene can be better covered, which can effectively solve the problem of overexposure or underexposure in high-contrast scenes. At the same time, the use of the infrared sensor 10 can increase the infrared sensor to improve the image quality under low-light conditions, so that the device can capture more details and information in a low-light environment.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An image acquisition lens, comprising an image acquisition structure, wherein an acquisition lens structure and an adjustment button structure are arranged inside the image acquisition structure; Features: The image acquisition structure comprises a fixed crossbar (1), a fixed seat (2) is provided at the top of the fixed crossbar (1), a supporting shaft (3) is provided at the bottom of the fixed seat (2), a protective box body (4) is provided at the top of the supporting shaft (3), a collection lens device (5) is provided inside the protective box body (4), a connecting block (6) is provided at the connection between the supporting shaft (3) and the collection lens device (5), adjustment buttons (7) are provided on the left and right sides of the protective box body (4), and a servo motor (8) is provided at the top of the protective box body (4); The collection lens structure comprises a collection lens (9) located in the middle of the collection lens device (5), and infrared sensors (10) are provided on the left and right sides of the collection lens (9).

2. The image acquisition lens according to claim 1, characterized in that: The adjusting button structure comprises an outer sleeve (11) located on a side of the adjusting button (7) close to the protective box body (4), an adjusting button rotating shaft (12) is arranged inside the outer sleeve (11), a restoring spring (13) is arranged outside the adjusting button rotating shaft (12), and a friction plate (14) is arranged on a side of the restoring spring (13) close to the protective box body (4).

3. The image acquisition lens according to claim 1, characterized in that: The support shaft (3) is fixedly connected to the fixing seat (2), and the support shaft (3) is rotatably connected to the connecting block (6), and the connecting block (6) is fixedly connected to the inside of the protection box body (4). Bolts are provided at the connection between the servo motor (8) and the protection box body (4), and the servo motor (8) is threadedly connected to the protection box body (4) through the bolts.

4. The image acquisition lens according to claim 1, characterized in that: The collection lens (9) and the infrared sensor (10) are fixedly connected inside the collection lens device (5); the infrared sensor (10) is fixedly connected to the left and right sides of the collection lens (9); an image sensor is provided inside the collection lens device (5); and the collection lens (9) is provided with a wide dynamic range function.

5. The image acquisition lens according to claim 2, characterized in that: The outer sleeve (11) is rotatably connected to the adjusting button (7), the outer sleeve (11) is fixedly connected to the outside of the protective box body (4), the adjusting button rotating shaft (12) is fixedly connected to the adjusting button (7), and the adjusting button rotating shaft (12) is rotatably connected to the inside of the protective box body (4).

6. The image acquisition lens according to claim 5, characterized in that: The restoring spring (13) is located at the connection between the adjusting button shaft (12) and the adjusting button (7), and the restoring spring (13) is located between the friction plate (14) and the adjusting button (7). The restoring spring (13) is fixedly connected to the inside of the outer sleeve (11), and the adjusting button shaft (12) passes through the inside of the friction plate (14).

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